The posters are in their fullest size 10.5" x 16.5" at 200 dpi RGB, which will print very clearly to an 11" x 17" size with a ¼" border. If you need to use a greater size or different dimension please contact me. These are free for use by Baha'is. Clicking on the picture will bring you to the full size image.
http://www.rijaka.com/BahaiPosters.html